1#ifndef CEPH_CRUSH_MAPPER_H
2#define CEPH_CRUSH_MAPPER_H
3
4/*
5 * CRUSH functions for find rules and then mapping an input to an
6 * output set.
7 *
8 * LGPL2
9 */
10
11#include "crush.h"
12
13extern int crush_find_rule(const struct crush_map *map, int ruleset, int type, int size);
14extern int crush_do_rule(const struct crush_map *map,
15			 int ruleno,
16			 int x, int *result, int result_max,
17			 const __u32 *weights, int weight_max,
18			 int *scratch);
19
20#endif
21